Labor Theory

Famous quotes containing the words labor and/or theory:

“There is virtue yet in the hoe and the spade, for learned as well as for unlearned hands. And labor is everywhere welcome; always we are invited to work.”
—Ralph Waldo Emerson (1803–1882)

“The great tragedy of science—the slaying of a beautiful theory by an ugly fact.”
—Thomas Henry Huxley (1825–1895)